Sven has a dark grey head, dark grey rounded ears and dark grey rounded snout. He has light grey antlers branching out of his head. He has black eyes and eyebrows, which are separated by dark yellow fur. His main is furry and light grey. Sven's body has a large opening to place the reigns of Kristoff's sleigh. Sven has a long light grey tail falling out of his back. Sven has four legs and hoofs, his left and front leg is facing forwards.